Re: Active Dataguard -- Cascade Standby or not

From: rjamya <>
Date: Mon, 5 Dec 2011 14:04:41 -0500
Message-ID: <>

This would be a good case study Gaja, should we expect a nice blogpost soon ?

On Thu, Dec 1, 2011 at 1:43 PM, Gaja Krishna Vaidyanatha <>wrote:

> Hi Stalin,
> Currently doing an HA & DR PoC using ADG in the "Cascade Configuration" at
> a customer site. Conceptually, we are thinking pretty much on the same
> lines as you are and evaluating the use of the first "SYNC STANDBY" (if I
> may use that term), as the propagator to the other STANDBYs. This takes the
> additional overhead off the PRIMARY and imposes most of the propagation
> load on the SYNC STANDBY (reporting instance), yet optimizing the lag for
> the other STANDBYs. Will post the results when the PoC is complete and the
> results are available.

Received on Mon Dec 05 2011 - 13:04:41 CST

Original text of this message